Answer: preventing water from being wasted due to leaks
Explanation:
Water loss control has to do with the efforts which involves managing leakage to low levels.
From the excerpt, we can infer from the information given that 14 percent of the water treated by water systems is lost due to leaks. Therefore, the phrase "water loss control" simply means how water loss will be minimize.
An alias is a fake or presumed identity. Seeing as how they are spies, they would have to presume an identity other than their own to be able to communicate during this mission.
